451720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 1062720

約数和(自身を除く): 611000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 491, 920, 982, 1964, 2455, 3928, 4910, 9820, 11293, 19640, 22586, 45172, 56465, 90344, 112930, 225860, 451720]

約数ペア:

[(1, 451720), (2, 225860), (4, 112930), (5, 90344), (8, 56465), (10, 45172), (20, 22586), (23, 19640), (40, 11293), (46, 9820), (92, 4910), (115, 3928), (184, 2455), (230, 1964), (460, 982), (491, 920)]